Page 2 - DISPLAY
HT30-EU-EN V3.4 5/13 2 Introduction Congratulations on your purchase of Heat Stress WBGT (Wet Bulb Globe Temperature) Meter. This meter measures and displays Heat Stress Index (WBGT), which is how hot it feels when humidity is combined with temperature, air movement, and direct or radiant sunlight. ...
Page 3 - Meter Operation; Alarm Setting
HT30-EU-EN V3.4 5/13 3 Meter Operation 1. Press the /SET button to power the instrument on/off. 2. Slide down the protective sensor cover before taking measurements. 3. Press the MODE/ button to select the desired display mode: Wet Bulb Globe Temperature Heat Index (WBGT), Air Temperature (TA), Bl...
Page 4 - Auto Power Off; Battery Replacement; Battery ordinance; disposal in the household garbage is prohibited!; Error Messages
HT30-EU-EN V3.4 5/13 4 Auto Power Off The Auto Power Off feature automatically turns the meter off after approximately 20 minutes. To disable this feature, hold down the /SET and MODE/ for 2 seconds when powering on the meter. The meter will momentarily display an “n” and enter measuring mode. The...
Page 5 - Specifications
HT30-EU-EN V3.4 5/13 5 Specifications Wet Bulb Globe Temperature (WBGT) 0°C to 50°C (32°F to 122°F) WBGT Accuracy Calculated from measured parameters TG Black Globe Temperature range 0 to 80°C (32°F to 176°F) TG Accuracy Indoor ± 2°C (4°F) Outdoor ± 3°C (5.5°F) TA Air Temperature range 0°C to 50°C (...
Page 7 - Heat Index / Heat Disorders
HT30-EU-EN V3.4 5/13 7 Heat Index / Heat Disorders Heat Index / Heat Disorders Heat Index Possible heat disorders for people in higher risk groups 130°F or higher Heatstroke/sunstroke highly likely with continued exposure. 105° - 130°F Sunstroke, heat cramps or heat exhaustion likely , and heatstrok...
Page 8 - Know These Heat Disorder Symptoms
HT30-EU-EN V3.4 5/13 8 Know These Heat Disorder Symptoms Heat Disorder Symptoms First Aid Sunburn Redness and pain. In severe cases, swelling of skin, blisters, fever, headaches. Ointment for mild cases if blisters appear. If breaking occurs, apply dry sterile dressing. Serious, extensive cases shou...
Page 9 - Copyright
HT30-EU-EN V3.4 5/13 9 Preventing Heat-Related Illness Elderly persons, small children, chronic invalids, those on certain medications or drugs (especially tranquilizers and anticholinergics), and persons with weight and alcohol problems are particularly susceptible to heat reactions, especially dur...